package cn.tedu.v2_1;

import java.io.*;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Scanner;

/**
 * 多人聊天室 Version 2.1
 * 客户端基本不变:关闭socket、拓展增加IP
 *                         1.私有化IP
 *                         2.构造器，当前IP进行赋值
 *                         3.任意位置使用IP【读入知道对方IP】
 *
 */

public class Client {
    private Socket socket;
    //1.私有化IP
    private String ip;
    public Client(){
        try {
            socket=new Socket("192.168.100.199",2578);
            //2.确定传入IP就是当前IP地址
            ip=socket.getInetAddress().getHostAddress();
        }catch (UnknownHostException e){ //用户地址出问题异常
            System.out.println("IP地址有问题，请询问服务器端");
        } catch (IOException e) { //IO异常：连接失效，客户端主动退出
            System.out.println("客户端主动退出了：断开连接");
        }
    }
    public void start()  {
        OutputStream os=null;
        OutputStreamWriter osw=null;
        BufferedWriter bw=null;
        PrintWriter pw= null;  //置空流
        pw = null;
        try {
            bw=new BufferedWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream(),"UTF8")));
            pw=new PrintWriter(bw,true);
            System.out.println("客户端用户：请输入文字内容：");
            Scanner input=new Scanner(System.in);
            while(true){
                String say=input.nextLine();
                pw.println("客户端说"+say);
                System.out.println("写出完毕");
            }

        } catch(UnsupportedEncodingException e){
            System.out.println("客户端于服务器端：字符集不一致");
        } catch (IOException e) {
            System.out.println("客户端断开连接！");
        } finally {
                if(pw!=null);
                pw.close();
            if(socket!=null&&!socket.isClosed()){
                System.out.println("客户端关闭成功");
                try {
                    socket.close();
                } catch (IOException e) {
                    System.out.println("客户端关闭失败");
                }
            }
        }
    }
    public static void main(String[] args){
        Client client=new Client();
        client.start();
    }
}
